A function subtracts 8 from the input value and then multiplies the result by 4. Write this function in function notation: _________.
Answer & Analysis
Analysis
Question Analysis
This question tests the student's ability to translate a verbal description of a function into function notation. The focus is on correctly identifying the sequence of operations (subtraction and multiplication) and expressing them in the appropriate function notation.
Key Concept Explanation
Function notation, such as , is used to represent a function where is the name of the function and is the input variable. The expression represents the output of the function for a given input .
Step-by-step Solution
1. Identify the operations: subtract 8 from the input and then multiply the result by 4.
2. Use as the input variable and
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